40 likes | 161 Views
Developing an Experiment. Experiment. Select relevant variables for testing. Specify the levels of treatment. Control the environmental and extraneous factors. Choose an experimental design suited to the hypothesis. Select and assign subjects to groups (demographics).
E N D
Experiment • Select relevant variables for testing. • Specify the levels of treatment. • Control the environmental and extraneous factors. • Choose an experimental design suited to the hypothesis. • Select and assign subjects to groups (demographics). • Pilot-test, revise, and conduct the final test. • Analyze the data.
Surveys • Demographics • Wording of questions • Using the Likert Scale • Statistical analysis • Set criteria before testing • Error analysis
Case Studies / Interviews • Single sampling • Detailed analysis • Unforeseen factors • Representative of population?